FWIW this could be halved to 5k by addressing nibbles instead of bytes.
4 bits are more than enough to encode 10 digits.
Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery
FootballPerl is like chess, only without the dice
In reply to Re^6: Faster Luhn Check Digit Calculation?
by LanX
in thread Faster Luhn Check Digit Calculation?
by kschwab
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